A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 6130-00-839-6148
NSN 5915-00-737-0924
NSN 4140-01-099-6657
NSN 6145-00-548-7195
NSN 6220-00-418-4223
NSN 5930-01-152-7946
NSN 5915-01-505-0707
NSN 5990-00-607-1003
NSN 5990-01-633-9503
NSN 5920-00-201-4914
NSN 2925-01-338-7126
NSN 5975-01-340-5774